Filtering screens for vibratory separation equipment
US6825136B2 · kind B2 · utility
15Cited by
3References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 25, 2002 |
| Grant date | Nov 30, 2004 |
| Priority date | — |
| Expiry date | Apr 19, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/30
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filtering screen comprises a fine woven wirecloth filtering mesh (4) disposed above a coarse woven wirecloth support mesh (2). An intermediate woven wirecloth mesh (3) is disposed between the fine woven mesh (4) and the coarse woven mesh (2), the intermediate mesh (3) extending over a proportion of the area of the screen at or towards the rear thereof, said proportion being in the range of 20% to 40% of the area of the screen, and preferably substantially one third of the area of the screen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.